CN104326369A - Stepping heating furnace support beam replacement apparatus and method thereof - Google Patents
Stepping heating furnace support beam replacement apparatus and method thereof Download PDFInfo
- Publication number
- CN104326369A CN104326369A CN201410545019.4A CN201410545019A CN104326369A CN 104326369 A CN104326369 A CN 104326369A CN 201410545019 A CN201410545019 A CN 201410545019A CN 104326369 A CN104326369 A CN 104326369A
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- China
- Prior art keywords
- hanger rail
- support beam
- furnace
- suspension hook
- hanger
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C17/00—Overhead travelling cranes comprising one or more substantially horizontal girders the ends of which are directly supported by wheels or rollers running on tracks carried by spaced supports
- B66C17/06—Overhead travelling cranes comprising one or more substantially horizontal girders the ends of which are directly supported by wheels or rollers running on tracks carried by spaced supports specially adapted for particular purposes, e.g. in foundries, forges; combined with auxiliary apparatus serving particular purposes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C6/00—Girders, or track-supporting structures, specially adapted for cranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C2700/00—Cranes
- B66C2700/01—General aspects of mobile cranes, overhead travelling cranes, gantry cranes, loading bridges, cranes for building ships on slipways, cranes for foundries or cranes for public works
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tunnel Furnaces (AREA)
Abstract
The invention relates to a stepping heating furnace support beam replacement apparatus, which is characterized in that the replacement apparatus is formed by vertically and horizontally arranging several transverse hanger rails and several vertical hanger rails, several hanger rails are fixed at the furnace roof position in a heating furnace by using a fixing device, several transverse hanger rails are transversely arranged and mutually parallel; several connecting seats are arranged on each vertical hanger rail, a hanger rail roller cooperated with the transverse hanger rail is arranged on the connecting seat, several hanger rail rollers on each vertical hanger rail are respectively positioned in the corresponding transverse hanger rails; several vertical hanger rails are mutually arranged in a parallel mode; several suspension hooks are arranged on each vertical hanger rail, a wire rope used for binding a support beam is hanged on each suspension hook; and the suspension hook rollers cooperated with the vertical hanger rail are arranged at upper end of the suspension hook. The apparatus is characterized in that the hanger rail is arranged at furnace roof position in the heating furnace for transporting and maintaining the support beam, which replace the previous maintenance mode of roof exposing, labor intensity can be greatly mitigated, and work efficiency is increased.
Description
Technical field
The present invention relates to a kind of support beam of walking beam reheating furnace and change device and method.
Background technology
Walking beam furnace (heating furnace of the following stated, stove and stove all refer to walking beam furnace) is a kind of mechanical stove being realized steel billet movement in stove by stepping mechanism, stepping mechanism comprises the hydraulic efficiency pressure system outside stove and the support beam in stove, support beam comprises again fixed beam and portable beam, portable beam can make the crank motion of rectangular path, the steel billet be placed on fixed beam step by step deliver to discharge end by feed end.The construction of walking beam furnace inner support beam is general adopts open type construction technology, namely adopts the driving in factory building first to lift support beam, and then installs heating furnace surrounding liner and furnace roof steel structure etc.In production process when running into support beam and damaging needs replacing maintenance, if adopt open type method to carry out replacing support beam, then need to remove furnace roof steel structure and a large amount of pipe-line equipments, burner etc., add maintenance engineering amount, extend the duration.
Summary of the invention
For the problems referred to above, a kind of support beam of walking beam reheating furnace is the object of the present invention is to provide to change device and method, this device is that the mode of hanging at the furnace roof position attachment rail of inside heating furnace is transported and overhauls support beam, replace the mode of taking off top formula maintenance in the past, significantly reduce labour intensity, improve work efficiency.
For achieving the above object, the technical solution used in the present invention is:
A kind of support beam of walking beam reheating furnace more changing device, is characterized in that: it is criss-cross arranged primarily of multiple horizontal hanger rail and multiple longitudinal hanger rail and forms,
Described multiple horizontal hanger rail is fixed on the furnace roof position of inside heating furnace by anchor fitting, multiple horizontal hanger rail lateral arrangement and being parallel to each other;
Described each longitudinal hanger rail is evenly provided with multiple connection pedestal, connects pedestal and be provided with the hanger rail roller matched with horizontal hanger rail, the multiple hanger rail rollers on each longitudinal hanger rail lay respectively in corresponding horizontal hanger rail; Described multiple longitudinal hanger rail is parallel to each other layout;
Described each longitudinal hanger rail is provided with multiple suspension hook, each suspension hook hangs with the steel rope for bundling support beam; Described suspension hook upper end is provided with the suspension hook roller matched with longitudinal hanger rail, and this suspension hook roller is positioned at longitudinal hanger rail.
Described anchor fitting comprises hanger bar, hanging external member and captive nut, and the lower end of described hanger bar is fixedly connected with horizontal hanger rail, and upper end is provided with screw thread, is provided with circular hole in the middle of described hanging external member; During use, hanger bar is through furnace roof, and hanging external member is enclosed within hanger bar upper end, then captive nut is screwed in hanger bar upper end and fixes; The direction of described hanging external member is mutually vertical with furnace roof hanging beam; The two ends of described horizontal hanger rail are respectively fixed by an anchor fitting.
Described horizontal hanger rail is the profile structure in C type cross section, and the hanger rail roller on described connection pedestal is made up of a dead axle and the bearing being arranged on dead axle two ends, and two bearings are used for rolling in horizontal hanger rail; Described longitudinal hanger rail is also the profile structure in C type cross section, and the suspension hook roller of described suspension hook upper end is made up of a dead axle and the bearing being arranged on dead axle two ends, and two bearings are used for rolling in horizontal hanger rail.
A kind of support beam of walking beam reheating furnace replacing options, is characterized in that it comprises the following steps:
(1) a set of support beam of walking beam reheating furnace more changing device is got out in advance;
(2) adopt transit survey, draw some row's suppending holes mark at the Width of heating furnace furnace roof; Suppending hole mark position is the rectangular centre place that the adjacent anchored brick of four of furnace roof is formed;
(3) boring is implemented to suppending hole mark position;
(4) first hanger bar and horizontal hanger rail are connected and fixed, support beam lays workplatform, then lift horizontal hanger rail by several operating personal, and by hanger bar through suppending hole; Meanwhile, the outside furnace roof of heating furnace arranges several operating personal, hanging external member is arranged on hanger bar upper end, and loads onto captive nut, finally tighten captive nut one by one; Install other horizontal hanger rails in the same way, the lower plane of all horizontal hanger rails is all on an absolute altitude;
(5) connection pedestal is installed on horizontal hanger rail, then longitudinal hanger rail is arranged on and connects on pedestal, longitudinal hanger rail is installed the weight-lifting equipment with suspension hook or suspension hook, and mixes steel rope; The initiating terminal of described longitudinal hanger rail is outside in heating furnace termination;
(6) first remove the waste and old support beam of inside heating furnace, pinion with rope coil, then by the slip of longitudinal hanger rail, waste and old support beam is transported to heating furnace outside, then transported by outside driving;
(7) when new support beam transports inside heating furnace, one end hangs on the suspension hook on longitudinal hanger rail by steel rope, and the other end hangs in the driving in factory building, progressively enters in heating furnace; On the support beam other end, increase suspension centre again, with steel rope binding hanging on another suspension hook, then unclamp the suspension centre of outside driving, new support beam is transported and puts in place; Finally be in place;
(8) last, remove support beam of walking beam reheating furnace more changing device, to the furnace roof position of suppending hole, carry out filling reparation.
In described step (2), first ash is floated to furnace roof inside face before drawing suppending hole mark and carry out dust removal process.
Described support beam of walking beam reheating furnace more changing device can also transport the heat resistance concrete for installing support beam.
Main beneficial effect of the present invention is:
1, support beam of walking beam reheating furnace provided by the invention changes device and method is that the mode of hanging at the furnace roof position attachment rail of inside heating furnace is transported support beam and overhauls construction, avoid and removed the operation such as furnace roof steel structure and a large amount of pipe-line equipments, burner in the past, significantly reduce labour intensity, improve work efficiency; And horizontal hanger rail, longitudinal hanger rail are mutually vertical, longitudinal hanger rail can slide walking on horizontal hanger rail, flexible operation, and handling scope greatly, but also may be used for the transport of other associated materials;
2, in the present invention, the structure of anchor fitting is simple, easy for installation, only can need install in furnace roof boring, and very little on the stressing conditions impact of top construction and whole device, structure is secure more;
3, in the present invention, horizontal hanger rail and longitudinal hanger rail are all C type cross section, and coordinate roller to use together, structure is simple, and use secure, cost of manufacture is also low;
4, float after ash carries out dust removal process to furnace roof inside face in method of the present invention, conveniently find corresponding rectangular centre accurately.
Accompanying drawing explanation
Fig. 1 is the decomposing schematic representation of apparatus of the present invention.
Fig. 2 is A portion enlarged diagram in Fig. 1.
Fig. 3 is the schematic diagram that apparatus of the present invention are arranged on heating furnace furnace roof.
Fig. 4 is the schematic diagram of apparatus of the present invention handling support beam.
In figure: 1. hanger bar; 2. horizontal hanger rail; 3. hang external member; 4. captive nut; 5. connect pedestal; 6. longitudinal hanger rail; 7. suspension hook; 8. steel rope; 9. anchored brick; 10. rectangular centre; 11. furnace roof steel structures; 12. support beams; 13. hanging beams.
Detailed description of the invention
In order to understand the present invention better, below in conjunction with embodiment and accompanying drawing, technical scheme of the present invention is described further.
A kind of support beam of walking beam reheating furnace more changing device, it is criss-cross arranged primarily of multiple (a pair) horizontal hanger rail 2 and multiple (a pair) longitudinal hanger rail 6 and forms (support beam 12 length direction is for longitudinal),
Described multiple horizontal hanger rail 2 is fixed on the furnace roof position of inside heating furnace by anchor fitting, multiple horizontal hanger rail 2 lateral arrangement and being parallel to each other;
Described each longitudinal hanger rail 6 is evenly provided with described in multiple connection pedestal 5(and connects pedestal 5 for C type seat, this C type seat is stuck on longitudinal hanger rail 6 for fixing with it), connect pedestal 5 and be provided with the hanger rail roller matched with horizontal hanger rail 2, the multiple hanger rail rollers on each longitudinal hanger rail 6 lay respectively in corresponding horizontal hanger rail 2 (and can roll in horizontal hanger rail 2); Described a pair longitudinal hanger rail 6 is parallel to each other layout;
Described each longitudinal hanger rail 6 is provided with multiple (being generally two) suspension hook 7, each suspension hook 7 hangs with the steel rope 8 for bundling support beam 12; Described suspension hook 7 upper end is provided with the suspension hook roller matched with longitudinal hanger rail 6, and this suspension hook roller is positioned at longitudinal hanger rail 6 (and can roll at longitudinal hanger rail 6).
Described anchor fitting comprises hanger bar 1, hanging external member 3 and captive nut 4, the lower end of described hanger bar 1 is fixedly connected with horizontal hanger rail 2 that (described hanger bar 1 upper end is screw mandrel, lower end is provided with C type seat, this C type seat is stuck on horizontal hanger rail 2 for fixing with it), upper end is provided with screw thread, is provided with circular hole in the middle of described hanging external member 3; During use, hanger bar 1 is through furnace roof, and hanging external member 3 is enclosed within hanger bar 1 upper end (furnace roof is clamped by hanging external member 3 and horizontal hanger rail 2), then captive nut 4 is screwed in hanger bar 1 upper end and fixes; The direction of described hanging external member 3 is mutually vertical with furnace roof hanging beam 13; The two ends of described horizontal hanger rail 2 are respectively fixed by an anchor fitting.
Described horizontal hanger rail 2 is the profile structure in C type cross section, and the hanger rail roller on described connection pedestal 5 is made up of a dead axle and the bearing being arranged on dead axle two ends, and two bearings are used for rolling in horizontal hanger rail 2; Described longitudinal hanger rail 6 is also the profile structure in C type cross section, and the suspension hook roller of described suspension hook 7 upper end is made up of a dead axle and the bearing being arranged on dead axle two ends, and two bearings are used for rolling in horizontal hanger rail 2.
A kind of support beam of walking beam reheating furnace replacing options (being replaced by example with the heating furnace support beam 12 that burner hearth length, width and height are 50m × 11m × 4m), is characterized in that it comprises the following steps:
(1) a set of support beam of walking beam reheating furnace more changing device is got out in advance;
(2) adopt transit survey, draw some row's suppending holes mark (often arranging multiple) at the Width (namely referring to the direction vertical with support beam 12, namely above-mentioned transverse direction) of heating furnace furnace roof; Suppending hole mark position is rectangular centre 10 place (often arranging suppending hole mark spacing is between 3m ~ 4m) that the adjacent anchored brick 9 of four of furnace roof is formed; Suppending hole mark is uniformly distributed, and when not affecting entirety and being stressed, suppending hole mark can be arranged in damaged furnace roof position as far as possible, so that when filling suppending hole, repairs in the lump top liner damaging position.
(3) boring (namely getting out suppending hole) is implemented to suppending hole mark position;
(4) first hanger bar 1 and horizontal hanger rail 2 are connected and fixed, support beam 12 lay workplatform, then lifts horizontal hanger rail 2 by several operating personal, and by hanger bar 1 through suppending hole; Meanwhile, the outside furnace roof of heating furnace arranges several operating personal, and hanging external member 3 is arranged on hanger bar 1 upper end (placing direction of hanging external member 3 is vertical with the hanging beam 13 of furnace roof) by (rapidly), and loads onto captive nut 4, finally tightens captive nut 4 one by one; Install other horizontal hanger rails 2 in the same way, the lower plane of all horizontal hanger rails 2 is all on an absolute altitude;
(5) connection pedestal 5 is installed on horizontal hanger rail 2, then longitudinal hanger rail 6 is arranged on and connects on pedestal 5, longitudinal hanger rail 6 is installed the weight-lifting equipment (light electric block is excellent) with suspension hook or suspension hook 7, and mixes steel rope 8; The initiating terminal of described longitudinal hanger rail 6 is outside in heating furnace termination;
(6) first remove the waste and old support beam 12 of inside heating furnace, bundle with steel rope 8, then by the slip of longitudinal hanger rail 6, waste and old support beam 12 is transported to heating furnace outside, then transported by outside driving;
(7), when new support beam 12 transports inside heating furnace, one end hangs on the suspension hook 7 on longitudinal hanger rail 6 by steel rope 8, and the other end hangs in the driving in factory building, progressively enters in heating furnace; On support beam 12 other end, increase suspension centre again, bundle hanging on another suspension hook 7 with steel rope 8, then unclamp the suspension centre of outside driving, new support beam 12 is transported and puts in place; Finally be in place;
(8) last, remove support beam of walking beam reheating furnace more changing device, to the furnace roof position of suppending hole (with damaged), carry out filling reparation.
In described step (2), first ash is floated to furnace roof inside face before drawing suppending hole mark and carry out dust removal process.
Described support beam of walking beam reheating furnace more changing device can also transport the heat resistance concrete for installing support beam 12.
More than illustrate and be only Application Example of the present invention, certainly can not limit the interest field of the present invention with this, therefore according to the equivalence change that the present patent application the scope of the claims is done, still belong to protection scope of the present invention.
Claims (6)
1. a support beam of walking beam reheating furnace more changing device, is characterized in that: it is criss-cross arranged primarily of multiple horizontal hanger rail (2) and multiple longitudinal hanger rail (6) and forms;
Described multiple horizontal hanger rail (2) is fixed on the furnace roof position of inside heating furnace by anchor fitting, multiple horizontal hanger rail (2) lateral arrangement and being parallel to each other;
Described each longitudinal hanger rail (6) is evenly provided with multiple connection pedestal (5), connect pedestal (5) and be provided with the hanger rail roller matched with horizontal hanger rail (2), the multiple hanger rail rollers on each longitudinal hanger rail (6) lay respectively in corresponding horizontal hanger rail (2); Described a pair longitudinal hanger rail (6) is parallel to each other layout;
Described each longitudinal hanger rail (6) is provided with multiple suspension hook (7), each suspension hook (7) hangs with the steel rope (8) for bundling support beam (12); Described suspension hook (7) upper end is provided with the suspension hook roller matched with longitudinal hanger rail (6), and this suspension hook roller is positioned at longitudinal hanger rail (6).
2. support beam of walking beam reheating furnace according to claim 1 more changing device, it is characterized in that: described anchor fitting comprises hanger bar (1), hanging external member (3) and captive nut (4), the lower end of described hanger bar (1) is fixedly connected with horizontal hanger rail (2), upper end is provided with screw thread, is provided with circular hole in the middle of described hanging external member (3); During use, hanger bar (1) is through furnace roof, and hanging external member (3) is enclosed within hanger bar (1) upper end, then captive nut (4) is screwed in hanger bar (1) upper end fixes; The direction of described hanging external member (3) is mutually vertical with furnace roof hanging beam (13); The two ends of described horizontal hanger rail (2) are respectively fixed by an anchor fitting.
3. support beam of walking beam reheating furnace according to claim 1 more changing device, it is characterized in that: the profile structure that described horizontal hanger rail (2) is C type cross section, hanger rail roller on described connection pedestal (5) is made up of a dead axle and the bearing being arranged on dead axle two ends, and two bearings are used for rolling in horizontal hanger rail (2); Described longitudinal hanger rail (6) is also the profile structure in C type cross section, and the suspension hook roller of described suspension hook (7) upper end is made up of a dead axle and the bearing being arranged on dead axle two ends, and two bearings are used for rolling in horizontal hanger rail (2).
4. a support beam of walking beam reheating furnace replacing options, is characterized in that it comprises the following steps:
1) a set of support beam of walking beam reheating furnace more changing device is got out in advance;
2) adopt transit survey, draw some row's suppending holes mark at the Width of heating furnace furnace roof; Suppending hole mark position is rectangular centre (10) place that the adjacent anchored brick (9) of four of furnace roof is formed;
3) boring is implemented to suppending hole mark position;
4) first hanger bar (1) and horizontal hanger rail (2) are connected and fixed, support beam (12) lay workplatform, then lifts horizontal hanger rail (2) by several operating personal, and by hanger bar (1) through suppending hole; Meanwhile, the outside furnace roof of heating furnace arranges several operating personal, will hang external member (3) and be arranged on hanger bar (1) upper end, and load onto captive nut (4), and finally tighten captive nut (4) one by one; Install other horizontal hanger rails (2) in the same way, the lower plane of all horizontal hanger rails (2) is all on an absolute altitude;
5) connect pedestal (5) upper installation of horizontal hanger rail (2), then longitudinal hanger rail (6) is arranged on and connects on pedestal (5), weight-lifting equipment with suspension hook or suspension hook (7) are installed longitudinal hanger rail (6) is upper, and mix steel rope (8); The initiating terminal of described longitudinal hanger rail (6) is outside in heating furnace termination;
6) first remove the waste and old support beam (12) of inside heating furnace, bundle with steel rope (8), then by the slip of longitudinal hanger rail (6), waste and old support beam (12) is transported to heating furnace outside, then transported by outside driving;
7), when new support beam (12) transports inside heating furnace, one end is hung on the suspension hook (7) on longitudinal hanger rail (6) by steel rope (8), and the other end hangs in the driving in factory building, progressively enters in heating furnace; On support beam (12) other end, increase suspension centre again, with steel rope (8) binding hanging on another suspension hook (7), then unclamp the suspension centre of outside driving, new support beam (12) is transported and puts in place; Finally be in place;
8) last, remove support beam of walking beam reheating furnace more changing device, to the furnace roof position of suppending hole, carry out filling reparation.
5. support beam of walking beam reheating furnace replacing options according to claim 4, is characterized in that: described step 2) in, first ash is floated to furnace roof inside face before drawing suppending hole mark and carry out dust removal process.
6. the support beam of walking beam reheating furnace more changing device according to claim 1,2 or 3, is characterized in that: described support beam of walking beam reheating furnace more changing device can also transport the heat resistance concrete for installing support beam (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410545019.4A CN104326369A (en) | 2014-10-15 | 2014-10-15 | Stepping heating furnace support beam replacement apparatus and method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410545019.4A CN104326369A (en) | 2014-10-15 | 2014-10-15 | Stepping heating furnace support beam replacement apparatus and method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104326369A true CN104326369A (en) | 2015-02-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410545019.4A Pending CN104326369A (en) | 2014-10-15 | 2014-10-15 | Stepping heating furnace support beam replacement apparatus and method thereof |
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| Country | Link |
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| CN (1) | CN104326369A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109114975A (en) * | 2018-09-18 | 2019-01-01 | 安徽马钢设备检修有限公司 | A kind of walking beam furnace water cooling beam column installation method |
| CN109210933A (en) * | 2017-06-30 | 2019-01-15 | 中国二十冶集团有限公司 | Water beam of walking beam heating furnace quickly removes replacement construction method |
| WO2022091612A1 (en) * | 2020-10-26 | 2022-05-05 | 村田機械株式会社 | Hanging tool |
| JP7494936B2 (en) | 2020-10-26 | 2024-06-04 | 村田機械株式会社 | Hanging device |
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| CN1656008A (en) * | 2002-05-30 | 2005-08-17 | 道格拉斯·麦克格雷·麦凯 | Crane assembly |
| CN101845890A (en) * | 2010-06-13 | 2010-09-29 | 中国第一冶金建设有限责任公司 | Formwork suspending method of heating furnace top plastic material |
| CN202808210U (en) * | 2012-09-26 | 2013-03-20 | 福建武夷山旅游发展股份有限公司 | Bamboo raft lifting machine |
| CN203048440U (en) * | 2012-12-21 | 2013-07-10 | 力帆实业(集团)股份有限公司 | Labor-saving product transferring mechanism for motorcycle engine production line |
| CN203295066U (en) * | 2013-06-05 | 2013-11-20 | 建科机械（天津）股份有限公司 | Special hoisting equipment |
| CN203820318U (en) * | 2014-04-13 | 2014-09-10 | 杭州力泰起重机械有限公司 | Retractable main beam type clean crane |
| CN204198281U (en) * | 2014-10-15 | 2015-03-11 | 中国一冶集团有限公司 | Support beam of walking beam reheating furnace is changing device more |
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2014
- 2014-10-15 CN CN201410545019.4A patent/CN104326369A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE1279902B (en) * | 1960-09-14 | 1968-10-10 | Fueller & Knoerzer O H G | Suspension bridge crane |
| CN1656008A (en) * | 2002-05-30 | 2005-08-17 | 道格拉斯·麦克格雷·麦凯 | Crane assembly |
| CN101845890A (en) * | 2010-06-13 | 2010-09-29 | 中国第一冶金建设有限责任公司 | Formwork suspending method of heating furnace top plastic material |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109210933A (en) * | 2017-06-30 | 2019-01-15 | 中国二十冶集团有限公司 | Water beam of walking beam heating furnace quickly removes replacement construction method |
| CN109114975A (en) * | 2018-09-18 | 2019-01-01 | 安徽马钢设备检修有限公司 | A kind of walking beam furnace water cooling beam column installation method |
| WO2022091612A1 (en) * | 2020-10-26 | 2022-05-05 | 村田機械株式会社 | Hanging tool |
| JP7494936B2 (en) | 2020-10-26 | 2024-06-04 | 村田機械株式会社 | Hanging device |
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Application publication date: 20150204 |